Home / 5,920.32-8,877.43-1,970.15

Finding the Fourth Proportional to 5,920.32, 8,877.43 and 1,970.15

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Solution

The fourth proportional to 5,920.32, 8,877.43 and 1,970.15 is: 2,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.32 : 8,877.43 = 1,970.15 : x
  2. Step 2: Convert to fraction form
    5,920.32/8,877.43 = 1,970.15/x
  3. Step 3: Cross multiply
    5,920.32x = 8,877.43 × 1,970.15
  4. Step 4: Simplify right side
    5,920.32x = 17,489,885.98
  5. Step 5: Solve for x
    x = 17,489,885.98/5,920.32
  6. Step 6: Final answer
    x = 2,954.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.